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Energy-saving method of wireless communication system

A wireless communication system and solution technology, applied in wireless communication, energy-saving ICT, energy consumption reduction, etc., can solve problems that affect user experience, high algorithm complexity, difficult to stabilize the state, etc.

Inactive Publication Date: 2011-08-31
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

The implementation cost is too high, and the benefits of energy saving will even be less than the cost of adjusting the network
Second, the higher the deployment density of base stations, the more handovers experienced by users during the mobile process, which will increase the call drop rate and affect the user experience. This is unacceptable to us.
[0011] The method of achieving energy saving by adjusting the length of the unused time interval has the following disadvantages, the algorithm complexity is high, especially for the changeable wireless communication system, the change of the network will cause a series of changes in the parameters, and the system needs to adjust its own parameters at all times To adapt to different business conditions, it is difficult to be in a stable state

Method used

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[0031]In the process of energy saving, we need to ensure that the load of a base station does not exceed α of its own capacity limit, and the load of a certain carrier frequency does not exceed β of its own capacity (0<α, β<=1), and in order To avoid frequent on / off operations of the base station and carrier frequency at the critical point, we stipulate that when the load exceeds α+γ, the base station / carrier frequency will be turned on again, avoiding the ping-pong effect similar to the handover process.

[0032] The specific implementation process is as follows:

[0033] 1. When the load traffic of the base station is lower than 3β of the peak value, the base station will close a carrier frequency with the minimum load, and use the adaptive load balancing technology to switch the users on the closed carrier frequency to the other three carrier frequencies, and Ensure that the loads on the three carrier frequencies are basically the same;

[0034] 2. When the load of the bas...

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Abstract

The invention discloses an energy-saving method of a wireless communication system, and the method is designed for solving the problem that the coverage of base stations is non-overlapped in the deployment of the wireless communication system. The wireless communication system is not always in a full load operation state, and carriers from the base stations are in an idle state in much time, so that one certain carrier is dynamically turned on / off according the change of loads of the base stations in the energy-saving process to save the energy consumption of the base stations for the carrier, thus the low-carbon energy-saving purpose is achieved.

Description

technical field [0001] The patent of the present invention relates to the field of wireless communication, especially the energy-saving technology of the wireless communication system. Background technique [0002] For more than 200 years, with the deepening of the industrialization process, a large amount of greenhouse gases, mainly carbon dioxide, have been emitted, leading to global temperature rise and climate change. This is an indisputable fact. In May 2008, the Ministry of Environment of Japan proposed "12 Actions for a Low-Carbon Society". The 12 actions involve the housing sector, industry sector, transportation sector, energy conversion sector, and related cross-sectors. Each action contains future goals, obstacles to achieving the goals, and strategic countermeasures. On July 15, 2009, the British government officially released a national strategy document called "UK Low-Carbon Conversion Plan", proposing to reduce carbon emissions by 34% on the basis of 1990 by ...

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Application Information

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IPC IPC(8): H04W52/02
CPCY02B60/50Y02D30/70
Inventor 赵岩琨路兆铭温向明郑伟高日新凌大兵巨颖
Owner BEIJING UNIV OF POSTS & TELECOMM
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